Concentrations of airborne radon ranging from 0.05 to 135 pCi/L were found in houses in Maine. Track-etch cups were placed in five positions for 100 houses to determine integrated average radon concentrations over the period October 1980 - May
Variations of airborne and waterborne Rn-222 in houses in Maine.
![](https://www.aivc.org/sites/default/files/default_images/default_image_5.png)
Year:
1982
Bibliographic info:
Environment International, 1982, Vol 8, p59-66. 10 figs, 2 tabs, 27 refs.